AirNav: 2CO2 - Las Arenas Earth and Sky Observatory Airport

2CO2

Las Arenas Earth and Sky Observatory Airport
Alamosa, Colorado, USA

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FAA INFORMATION EFFECTIVE 09 JULY 2026

Location

FAA Identifier:	2CO2
Lat/Long:	37-28-40.1600N 105-36-56.8900W 37-28.669333N 105-36.948167W 37.4778222,-105.6158028 (estimated)
Elevation:	7582 ft. / 2311 m (estimated)
From city:	13 miles W of ALAMOSA, CO
Time zone:	UTC -6 (UTC -7 during Standard Time)
Zip code:	81123

Airport Operations

Airport use:	Private use. Permission required prior to landing
Activation date:	04/2010
Control tower:	no
ARTCC:	DENVER CENTER
FSS:	DENVER FLIGHT SERVICE STATION
Attendance:	UNATNDD
Wind indicator:	yes
Segmented circle:	no

Airport Communications

WX ASOS at ALS (12 nm W):

135.175 (719-223-0010)

Nearby radio navigation aids

VOR radial/distance		VOR name		Freq		Var
ALSr038/12.3		ALAMOSA VORTAC		113.90		13E

Airport Services

Runway Information

Runway 2/20

Dimensions:	2700 x 40 ft. / 823 x 12 m
Surface:	dirt, in fair condition
	RUNWAY 2	RUNWAY 20
Traffic pattern:	left	left
Obstructions:	6 ft. fence, 10 ft. from runway	4 ft. fence, 10 ft. from runway

Airport Ownership and Management from official FAA records

Ownership:	Privately-owned
Owner:	JAMES LILLY 8714 ROBINWOOD DR MILTON, FL 32583 Phone 719-298-1183
Manager:	JAMES LILLY PO BOX 435 ALAMOSA, CO 81101 Phone 719-298-1183

Additional Remarks

-	FOR CD CTC DENVER ARTCC AT 303-651-4257.

Instrument Procedures

There are no published instrument procedures at 2CO2.

Some nearby airports with instrument procedures:

KALS - San Luis Valley Regional Airport/Bergman Field (12 nm W)
KMVI - Monte Vista Municipal Airport (21 nm W)
KRCV - Astronaut Kent Rominger Airport (38 nm W)
4V1 - Spanish Peaks Airfield (42 nm E)
KSKX - Taos Regional Airport (62 nm S)

Loc | Ops | Rwys | IFR | FBO | Links
Com | Nav | Svcs | Stats | Notes

Aerial photo
WARNING: Photo may not be current or correct Photo by James Edward Lilly, Ph.D. Photo taken 15-Aug-2014 looking west. Do you have a better or more recent aerial photo of Las Arenas Earth and Sky Observatory Airport that you would like to share? If so, please send us your photo.

Sectional chart

Airport distance calculator
Flying to Las Arenas Earth and Sky Observatory Airport? Find the distance to fly. From to 2CO2

Sunrise and sunset

Times for 19-Jul-2026

	Local (UTC-6)	Zulu (UTC)
Morning civil twilight	05:27	11:27
Sunrise	05:57	11:57
Sunset	20:20	02:20
Evening civil twilight	20:50	02:50

Current date and time

Zulu (UTC)	19-Jul-2026 09:01:13
Local (UTC-6)	19-Jul-2026 03:01:13

METAR

KALS 12nm W	190752Z AUTO 36004KT 10SM OVC085 18/09 A3034 RMK AO2 SLP150 T01830089 PNO $
KVTP 21nm E	190835Z AUTO 26004KT 10SM CLR 13/M34 A3067 RMK AO2

TAF

KALS
12nm W

190638Z 1907/2006 VRB06KT P6SM FEW200 FM191800 12009KT P6SM FEW100 SCT200

NOTAMs

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